The AM310-370D1079 from Anatech Electronics is a RF Duplexer with Frequency 300 to 320 MHz / 360 to 380 MHz, Band 1 300 to 320 MHz, Band 2 360 to 380 MHz, Power 3 W, Insertion Loss 2 dB. Tags: Surface Mount, Ceramic. More details for AM310-370D1079 can be seen below.